Hardware Engines for Bus Encryption: a Survey of Existing Techniques - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier
Conference Papers Year : 2005

Hardware Engines for Bus Encryption: a Survey of Existing Techniques

Abstract

The widening spectrum of applications and services provided by portable and embedded devices brings a new dimension of concerns in security. Most of those embedded systems (pay-TV, PDAs, mobile phones, etc.) make use of external memory. As a result, the main problem is that data and instructions are constantly exchanged between memory (RAM) and CPU in clear form on the bus. This memory may contain confidential data like commercial software or private contents, which either the end-user or the content provider is willing to protect. The paper describes the problem of processor-memory bus communications in this regard and the existing techniques applied to secure the communication channel through encryption. Performance overheads implied by those solutions are discussed extensively.
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Dates and versions

lirmm-00106453 , version 1 (16-10-2006)

Identifiers

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Reouven Elbaz, Lionel Torres, Gilles Sassatelli, Pierre Guillemin, Claude Anguille, et al.. Hardware Engines for Bus Encryption: a Survey of Existing Techniques. DATE 2005 - 8th Design, Automation and Test in Europe Conference and Exhibition, Mar 2005, Munich, Germany. pp.40-45, ⟨10.1109/DATE.2005.170⟩. ⟨lirmm-00106453⟩
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